public override void LoadXml(XmlElement value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
XmlNamespaceManager nsm = new XmlNamespaceManager(value.OwnerDocument.NameTable);
nsm.AddNamespace("enc", XmlNameSpace.Url[NS.XmlEncNamespaceUrl]);
nsm.AddNamespace("ds", XmlNameSpace.Url[NS.XmlDsigNamespaceUrl]);
Id = ElementUtils.GetAttribute(value, "Id", NS.XmlEncNamespaceUrl);
Type = ElementUtils.GetAttribute(value, "Type", NS.XmlEncNamespaceUrl);
MimeType = ElementUtils.GetAttribute(value, "MimeType", NS.XmlEncNamespaceUrl);
Encoding = ElementUtils.GetAttribute(value, "Encoding", NS.XmlEncNamespaceUrl);
XmlNode encryptionMethodNode = value.SelectSingleNode("enc:EncryptionMethod", nsm);
EncryptionMethod = new EncryptionMethod();
if (encryptionMethodNode != null)
{
EncryptionMethod.LoadXml(encryptionMethodNode as XmlElement);
}
KeyInfo = new KeyInfo();
XmlNode keyInfoNode = value.SelectSingleNode("ds:KeyInfo", nsm);
if (keyInfoNode != null)
{
KeyInfo.LoadXml(keyInfoNode as XmlElement);
}
XmlNode cipherDataNode = value.SelectSingleNode("enc:CipherData", nsm);
if (cipherDataNode == null)
{
throw new System.Security.Cryptography.CryptographicException(SR.Cryptography_Xml_MissingCipherData);
}
CipherData = new CipherData();
CipherData.LoadXml(cipherDataNode as XmlElement);
XmlNode encryptionPropertiesNode = value.SelectSingleNode("enc:EncryptionProperties", nsm);
if (encryptionPropertiesNode != null)
{
XmlNodeList encryptionPropertyNodes = encryptionPropertiesNode.SelectNodes("enc:EncryptionProperty", nsm);
if (encryptionPropertyNodes != null)
{
foreach (XmlNode node in encryptionPropertyNodes)
{
EncryptionProperty ep = new EncryptionProperty();
ep.LoadXml(node as XmlElement);
EncryptionProperties.Add(ep);
}
}
}
_cachedXml = value;
}
public override void LoadXml(XmlElement value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
XmlNamespaceManager nsm = new XmlNamespaceManager(value.OwnerDocument.NameTable);
nsm.AddNamespace("enc", EncryptedXml.XmlEncNamespaceUrl);
nsm.AddNamespace("ds", SignedXml.XmlDsigNamespaceUrl);
Id = Utils.GetAttribute(value, "Id", EncryptedXml.XmlEncNamespaceUrl);
Type = Utils.GetAttribute(value, "Type", EncryptedXml.XmlEncNamespaceUrl);
MimeType = Utils.GetAttribute(value, "MimeType", EncryptedXml.XmlEncNamespaceUrl);
Encoding = Utils.GetAttribute(value, "Encoding", EncryptedXml.XmlEncNamespaceUrl);
Recipient = Utils.GetAttribute(value, "Recipient", EncryptedXml.XmlEncNamespaceUrl);
XmlNode encryptionMethodNode = value.SelectSingleNode("enc:EncryptionMethod", nsm);
// EncryptionMethod
EncryptionMethod = new EncryptionMethod();
if (encryptionMethodNode != null)
{
EncryptionMethod.LoadXml(encryptionMethodNode as XmlElement);
}
// Key Info
KeyInfo = new KeyInfo();
XmlNode keyInfoNode = value.SelectSingleNode("ds:KeyInfo", nsm);
if (keyInfoNode != null)
{
KeyInfo.LoadXml(keyInfoNode as XmlElement);
}
// CipherData
XmlNode cipherDataNode = value.SelectSingleNode("enc:CipherData", nsm);
if (cipherDataNode == null)
{
throw new System.Security.Cryptography.CryptographicException(SR.Cryptography_Xml_MissingCipherData);
}
CipherData = new CipherData();
CipherData.LoadXml(cipherDataNode as XmlElement);
// EncryptionProperties
XmlNode encryptionPropertiesNode = value.SelectSingleNode("enc:EncryptionProperties", nsm);
if (encryptionPropertiesNode != null)
{
// Select the EncryptionProperty elements inside the EncryptionProperties element
XmlNodeList encryptionPropertyNodes = encryptionPropertiesNode.SelectNodes("enc:EncryptionProperty", nsm);
if (encryptionPropertyNodes != null)
{
foreach (XmlNode node in encryptionPropertyNodes)
{
EncryptionProperty ep = new EncryptionProperty();
ep.LoadXml(node as XmlElement);
EncryptionProperties.Add(ep);
}
}
}
// CarriedKeyName
XmlNode carriedKeyNameNode = value.SelectSingleNode("enc:CarriedKeyName", nsm);
if (carriedKeyNameNode != null)
{
CarriedKeyName = carriedKeyNameNode.InnerText;
}
// ReferenceList
XmlNode referenceListNode = value.SelectSingleNode("enc:ReferenceList", nsm);
if (referenceListNode != null)
{
// Select the DataReference elements inside the ReferenceList element
XmlNodeList dataReferenceNodes = referenceListNode.SelectNodes("enc:DataReference", nsm);
if (dataReferenceNodes != null)
{
foreach (XmlNode node in dataReferenceNodes)
{
DataReference dr = new DataReference();
dr.LoadXml(node as XmlElement);
ReferenceList.Add(dr);
}
}
// Select the KeyReference elements inside the ReferenceList element
XmlNodeList keyReferenceNodes = referenceListNode.SelectNodes("enc:KeyReference", nsm);
if (keyReferenceNodes != null)
{
foreach (XmlNode node in keyReferenceNodes)
{
KeyReference kr = new KeyReference();
kr.LoadXml(node as XmlElement);
ReferenceList.Add(kr);
}
}
}
// Save away the cached value
_cachedXml = value;
}
private void DecryptEncryptedGrants(XmlNodeList encryptedGrantList, IRelDecryptor decryptor)
{
XmlElement encryptionMethod = null;
XmlElement keyInfo = null;
XmlElement cipherData = null;
EncryptionMethod encryptionMethodObj = null;
KeyInfo keyInfoObj = null;
CipherData cipherDataObj = null;
for (int i = 0, count = encryptedGrantList.Count; i < count; i++)
{
encryptionMethod = encryptedGrantList[i].SelectSingleNode("//r:encryptedGrant/enc:EncryptionMethod", _namespaceManager) as XmlElement;
keyInfo = encryptedGrantList[i].SelectSingleNode("//r:encryptedGrant/dsig:KeyInfo", _namespaceManager) as XmlElement;
cipherData = encryptedGrantList[i].SelectSingleNode("//r:encryptedGrant/enc:CipherData", _namespaceManager) as XmlElement;
if ((encryptionMethod != null) &&
(keyInfo != null) &&
(cipherData != null))
{
encryptionMethodObj = new EncryptionMethod();
keyInfoObj = new KeyInfo();
cipherDataObj = new CipherData();
encryptionMethodObj.LoadXml(encryptionMethod);
keyInfoObj.LoadXml(keyInfo);
cipherDataObj.LoadXml(cipherData);
MemoryStream toDecrypt = null;
Stream decryptedContent = null;
StreamReader streamReader = null;
try
{
toDecrypt = new MemoryStream(cipherDataObj.CipherValue);
decryptedContent = _relDecryptor.Decrypt(encryptionMethodObj,
keyInfoObj, toDecrypt);
if ((decryptedContent == null) || (decryptedContent.Length == 0))
{
throw new System.Security.Cryptography.CryptographicException(SR.Cryptography_Xml_XrmlUnableToDecryptGrant);
}
streamReader = new StreamReader(decryptedContent);
string clearContent = streamReader.ReadToEnd();
encryptedGrantList[i].ParentNode.InnerXml = clearContent;
}
finally
{
if (toDecrypt != null)
{
toDecrypt.Close();
}
if (decryptedContent != null)
{
decryptedContent.Close();
}
if (streamReader != null)
{
streamReader.Close();
}
}
encryptionMethodObj = null;
keyInfoObj = null;
cipherDataObj = null;
}
encryptionMethod = null;
keyInfo = null;
cipherData = null;
}
}
internal XmlElement GetXml(XmlDocument document)
{
// Create the EncryptedKey element
XmlElement encryptedKeyElement = (XmlElement)document.CreateElement("EncryptedKey", EncryptedXml.XmlEncNamespaceUrl);
// Deal with attributes
if (!string.IsNullOrEmpty(Id))
{
encryptedKeyElement.SetAttribute("Id", Id);
}
if (!string.IsNullOrEmpty(Type))
{
encryptedKeyElement.SetAttribute("Type", Type);
}
if (!string.IsNullOrEmpty(MimeType))
{
encryptedKeyElement.SetAttribute("MimeType", MimeType);
}
if (!string.IsNullOrEmpty(Encoding))
{
encryptedKeyElement.SetAttribute("Encoding", Encoding);
}
if (!string.IsNullOrEmpty(Recipient))
{
encryptedKeyElement.SetAttribute("Recipient", Recipient);
}
// EncryptionMethod
if (EncryptionMethod != null)
{
encryptedKeyElement.AppendChild(EncryptionMethod.GetXml(document));
}
// KeyInfo
if (KeyInfo.Count > 0)
{
encryptedKeyElement.AppendChild(KeyInfo.GetXml(document));
}
// CipherData
if (CipherData == null)
{
throw new System.Security.Cryptography.CryptographicException(SR.Cryptography_Xml_MissingCipherData);
}
encryptedKeyElement.AppendChild(CipherData.GetXml(document));
// EncryptionProperties
if (EncryptionProperties.Count > 0)
{
XmlElement encryptionPropertiesElement = document.CreateElement("EncryptionProperties", EncryptedXml.XmlEncNamespaceUrl);
for (int index = 0; index < EncryptionProperties.Count; index++)
{
EncryptionProperty ep = EncryptionProperties.Item(index);
encryptionPropertiesElement.AppendChild(ep.GetXml(document));
}
encryptedKeyElement.AppendChild(encryptionPropertiesElement);
}
// ReferenceList
if (ReferenceList.Count > 0)
{
XmlElement referenceListElement = document.CreateElement("ReferenceList", EncryptedXml.XmlEncNamespaceUrl);
for (int index = 0; index < ReferenceList.Count; index++)
{
referenceListElement.AppendChild(ReferenceList[index].GetXml(document));
}
encryptedKeyElement.AppendChild(referenceListElement);
}
// CarriedKeyName
if (CarriedKeyName != null)
{
XmlElement carriedKeyNameElement = (XmlElement)document.CreateElement("CarriedKeyName", EncryptedXml.XmlEncNamespaceUrl);
XmlText carriedKeyNameText = document.CreateTextNode(CarriedKeyName);
carriedKeyNameElement.AppendChild(carriedKeyNameText);
encryptedKeyElement.AppendChild(carriedKeyNameElement);
}
return(encryptedKeyElement);
}
public override void LoadXml(XmlElement value)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
XmlNamespaceManager nsm = new XmlNamespaceManager(value.OwnerDocument.NameTable);
nsm.AddNamespace("enc", EncryptedXml.XmlEncNamespaceUrl);
nsm.AddNamespace("ds", SignedXml.XmlDsigNamespaceUrl);
Id = Utils.GetAttribute(value, "Id", EncryptedXml.XmlEncNamespaceUrl);
Type = Utils.GetAttribute(value, "Type", EncryptedXml.XmlEncNamespaceUrl);
MimeType = Utils.GetAttribute(value, "MimeType", EncryptedXml.XmlEncNamespaceUrl);
Encoding = Utils.GetAttribute(value, "Encoding", EncryptedXml.XmlEncNamespaceUrl);
XmlNode encryptionMethodNode = value.SelectSingleNode("enc:EncryptionMethod", nsm);
// EncryptionMethod
EncryptionMethod = new EncryptionMethod();
if (encryptionMethodNode != null)
{
EncryptionMethod.LoadXml(encryptionMethodNode as XmlElement);
}
// Key Info
KeyInfo = new KeyInfo();
XmlNode keyInfoNode = value.SelectSingleNode("ds:KeyInfo", nsm);
if (keyInfoNode != null)
{
KeyInfo.LoadXml(keyInfoNode as XmlElement);
}
// CipherData
XmlNode cipherDataNode = value.SelectSingleNode("enc:CipherData", nsm);
if (cipherDataNode == null)
{
throw new CryptographicException(SR.Cryptography_Xml_MissingCipherData);
}
CipherData = new CipherData();
CipherData.LoadXml(cipherDataNode as XmlElement);
// EncryptionProperties
XmlNode encryptionPropertiesNode = value.SelectSingleNode("enc:EncryptionProperties", nsm);
if (encryptionPropertiesNode != null)
{
// Select the EncryptionProperty elements inside the EncryptionProperties element
XmlNodeList encryptionPropertyNodes = encryptionPropertiesNode.SelectNodes("enc:EncryptionProperty", nsm);
if (encryptionPropertyNodes != null)
{
foreach (XmlNode node in encryptionPropertyNodes)
{
EncryptionProperty ep = new EncryptionProperty();
ep.LoadXml(node as XmlElement);
EncryptionProperties.Add(ep);
}
}
}
// Save away the cached value
_cachedXml = value;
}
